public Request (ushort requestID, Connection connection)
{
DataNeeded = true;
RequestID = requestID;
this.connection = connection;
}
/// <summary>
/// Constructs and initializes a new instance of <see
/// cref="ResponderRequest" /> with the specified request ID
/// and connection.
/// </summary>
/// <param name="requestID">
/// A <see cref="ushort" /> containing the request ID of the
/// new instance.
/// </param>
/// <param name="connection">
/// A <see cref="Connection" /> object from which data is
/// received and to which data will be sent.
/// </param>
public ResponderRequest (ushort requestID,
Connection connection)
: base (requestID, connection)
{
if (!Server.SupportsResponder)
throw new Exception ();
responder = Server.CreateResponder (this);
InputDataReceived += OnInputDataReceived;
}
public void EndConnection (Connection connection)
{
backend.EndConnection (new ConnectionProxy (connection));
}
/// <summary>
/// Constructs and initializes a new instance of <see
/// cref="Request" /> with the specified request ID and
/// connection.
/// </summary>
/// <param name="requestID">
/// A <see cref="ushort" /> containing the request ID of the
/// new instance.
/// </param>
/// <param name="connection">
/// A <see cref="Connection" /> object from which data is
/// received and to which data will be sent.
/// </param>
public Request(ushort requestID, Connection connection)
{
this.requestID = requestID;
this.connection = connection;
}
private void OnAccept(IAsyncResult ares)
{
Logger.Write (LogLevel.Debug, Strings.Server_Accepting);
Connection connection = null;
lock (accept_lock) {
accepting = false;
}
try {
try {
Socket accepted = listen_socket.EndAccept (ares);
connection = new Connection (accepted, this);
lock (connections)
connections.Add (connection);
} catch (System.Net.Sockets.SocketException e) {
Logger.Write (LogLevel.Error,
Strings.Server_AcceptFailed, e.Message);
if (e.ErrorCode == 10022)
Stop ();
} catch (System.ObjectDisposedException) {
Logger.Write (LogLevel.Debug, Strings.Server_ConnectionClosed);
return; // Already done (e.g., shutdown)
}
if (CanAccept)
BeginAccept ();
} catch (System.Exception e) {
Logger.Write (LogLevel.Error,
Strings.Server_AcceptFailed, e.Message);
}
if (connection == null)
return;
try {
connection.Run ();
} catch (System.Exception e) {
Logger.Write (LogLevel.Error,
Strings.Server_ConnectionFailed, e.Message);
try {
// Upon catastrophic failure, forcefully stop
// all remaining connection activity, since no
// specific error-handling kicked in to rescue
// the connection or its requests and the
// connection's main loop has now terminated.
// This prevents abandoned FastCGI connections
// from staying open indefinitely.
EndConnection(connection);
Logger.Write (LogLevel.Debug, Strings.Server_ConnectionClosed);
} catch {
// Ignore at this point -- too bad
}
}
}
public void EndConnection(Connection connection)
{
if (connection == null)
throw new ArgumentNullException ("connection");
connection.Stop ();
lock (connections) {
if (connections.Contains (connection))
connections.Remove (connection);
}
if (!accepting && CanAccept)
BeginAccept ();
}
public ConnectionProxy (Connection connection)
{
if (connection == null)
throw new ArgumentNullException ("connection");
this.connection = connection;
}
